wh18skal

ok i changed the fuel pump relay, the fuel pump, and i pushed the reset on that switch in my hatch, but yet my fuel pump still wont turn itself on, what else could it be?







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1988 5.0, trick flow intake, 75mm throttle body, ud pulleys, mac headers, x pipe, and flowmaster exhaust

88stangaruu

Check ur wiring up near the starter relay. When you put it back in did you hook everything up properly?

THat reset switch, was that on your 0 inertia switch? I cant remember if thats the reset im thinking about or not, but i know if that switch gets triggered the pump wont work for anything.

randy78045

How aboot a fuse... could it be that simple? [:-]

JeffUtica

You're going to have to perform some electrical diagnosing to isolate where the break in voltage is. You're not getting power to the pump and you need to find out where that is. First check to make certain you are getting voltage going to the pump by checking voltage at the connector under the bumper cover. If you are, then it's the wiring going to the pump. Put 12V to the pump at the connector to verify. If you're not getting 12V at the connector, the problem is further up stream. Temporarilly bypass the inertia switch with a jumper wire. If the pump works then the problem is the switch. If still not working, check voltage going in and coming out of relay under seat. If you're getting voltage going into the relay and not coming out, then its the relay. If you're not getting 12V going into the relay then it's the wiring going even further up stream and could be the ignition switch.